- Ryota Osaka (Eijun Sawamura (voice))
- Nobunaga Shimazaki (Satoru Furuya (voice))
- Takahiro Sakurai (Kazuya Miyuki (voice))
- Natsuki Hanae (Haruichi Kominato (voice))
- Shintaro Asanuma (Yoichi Kuramochi (voice))
Ace of the Diamond — S2E29
Episode: Demon Child
Air Date: 2015-10-19
Runtime: 24 min
Overview
A middle-aged man watches the intrasquad game. He is none other than Eijiro Sakaki, the man who made Seido's baseball team famous. He was also Kataoka's high school coach. "You used to be such a demon child." Sakaki reminisces on the past.